Common Eye Ailment

Catract

Almost all adults will at some time during their lives, develop cataracts. Cataract is clouding of natural lens of the eye. Cells within the lens capsule die and are trapped. The formation of cataracts differs greatly between individuals. Some of the leading causes of cataracts are:

Normal agingV

Diabetes

Hereditary

Trauma to the eye

Glaucoma

Smoking

UV radiation

Computer vision syndrome

Computer vision syndrome (CVS) is a temporary condition resulting from focusing the eyes on a computer display for protracted, uninterrupted periods of time. Some symptoms of CVS include headaches, blurred vision, neck pain, fatigue, eye strain, dry, irritated eyes, and difficulty refocusing the eyes. These symptoms can be further aggravated by improper lighting conditions (ie. bright overhead lighting or glare) or air moving past the eyes (e.g. overhead vents, direct air from a fan). CVS has not been proven to cause any permanent damage to the eye.

CVS is caused by decreased blinking reflex while working long hours focusing on computer screens. The normal blink rate in human eyes is 16–20 per minute. Studies have shown that the blink rate decreases to as low as 6–8 blinks/minute for persons working on the computer screen. This leads to dry eyes. Also, the near focusing effort required for such long hours puts strain on ciliary muscles of the eye. This induces symptoms of asthenopia and leads to a feeling of tiredness in the eyes after long hours of work. Some patients present with inability to properly focus on near objects after a short duration. This can be seen in people aged around 30–40 years of age, leading to a decrease in the accommodative focusing mechanisms of the eye. This can be a setting for early presbyopia.

Red-Eey

Red-Eye is a term to describe an eye that appears red due to illness, injury, or some other condition. Red eye usually refers to hyperemia of the superficial blood vessels of the conjunctiva, sclera or episclera, and may be caused by diseases or disorders of these structures or adjacent structures that may affect them directly or indirectly. The primary causes of Red-Eye are: conjunctivitis, blepharitis, acute Glaucoma, injury, corneal ulcer, uveitis, subconjunctival hemorrhage, inflamed pterygium, inflamed pinguecula, dry eye syndrome and drug use